Yes, the gap is not that much. From what I understand, the stroker is far from maxed out at 520 HP. There is much more power to be had. It can easily put out a lot more power due to the increased displacement.
Another thing is that the stroker lengthens the stroke, which means less top-end focused car giving it a much thicker area in the midrange and low-end. You can see it in the torque figures, which are 427 ft-lbs of torque compared to a gain ~ 35 ft-lbs with bolt-ons and tune (which makes it around 330 - 335 ft-lbs crank and 500 HP) while both are much closer in HP numbers.
As you can see below, pencilgeek with his stroker M3 dyno'ed after tune around 446 wheel HP, which is a good 46 wheel HP more than a fully tuned bolt-on M3 (~ 400 wheel HP).
http://www.m3post.com/forums/showpos...6&postcount=55
Quote:
Originally Posted by GPRAbmw
40-60 wheel hp, if correct, make the stroker look like a big waste of money since the Dinan stroker is said to have 520 hp at the crank. What are the trap speeds on cars with full bolt ons? What about the stroker?
Both of these cars are very different, one being a muscle car, the other being a more luxurious GT car. Take your pick. I have a friend who's got a GT500. He's more of a straight line power guy, but Id take the M3 due to the crisper handling.
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